View utc8050s datasheet:

UTC 8050S NPN EPITAXIAL SILICON TRANSISTOR LOW VOLTAGE HIGH CURRENT SMALL SIGNAL NPN TRANSISTOR DESCRIPTION The UTC8050S is a low voltage high current small signal NPN transistor, designed for Class B push-pull audio amplifier and general purpose applications. FEATURES *Collector current up to 800mA *Collector-Emitter voltage up to 20 V TO-92 *Complementary to UTC 8550S 1:EMITTER 2: COLLECTOR 3: BASE ABSOLUTE MAXIMUM RATINGS ( Ta=25°C ,unless otherwise specified ) PARAMETER SYMBOL VALUE UNIT Collector-Base Voltage VCBO 30 V Collector-Emitter Voltage VCEO 20 V Emitter-Base Voltage VEBO 5 V Collector Dissipation(Ta=25 ) Pc 1 W Collector Current Ic 800 mA Junction Temperature Tj 150 °C Storage Temperature TSTG -65 ~ +150 °C ELECTRICAL CHARACTERISTICS(Ta=25°C,unless ot